- Making http requests using okhttp
- findViewById (Activity)
- setContentView (Activity)
- onRequestPermissionsResult (Fragment)
- FileInputStream (java.io)
An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
in.clos
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Arrays (java.util)
This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- Logger (org.slf4j)
The org.slf4j.Logger interface is the main user entry point of SLF4J API. It is
expected that loggin
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